ES2210416T3 - EMPLOYMENT OF ALIFATIC DIOLES OR POLYMERDIOLS IN POLYETER-POLYURETHANELASTIC FOAMS TO IMPROVE THE FITNESS TO THE COAT OF THESE BLOCK FOAMS. - Google Patents

EMPLOYMENT OF ALIFATIC DIOLES OR POLYMERDIOLS IN POLYETER-POLYURETHANELASTIC FOAMS TO IMPROVE THE FITNESS TO THE COAT OF THESE BLOCK FOAMS.

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Publication number
ES2210416T3
ES2210416T3 ES97110037T ES97110037T ES2210416T3 ES 2210416 T3 ES2210416 T3 ES 2210416T3 ES 97110037 T ES97110037 T ES 97110037T ES 97110037 T ES97110037 T ES 97110037T ES 2210416 T3 ES2210416 T3 ES 2210416T3
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block
diols
foams
foam
polyether
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Spanish (es)
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Sarbananda Chakrabarti
Klaus Wagner
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BASF SE
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BASF SE
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6552—Compounds of group C08G18/63
    • C08G18/6558—Compounds of group C08G18/63 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6564—Compounds of group C08G18/63 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/005—< 50kg/m3
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/918—Physical aftertreatment of a cellular product

Abstract

An elastic polyurethane-polyether block foam is rendered flame-treatable on its surface by addition to the foam of a diol, preferably 1-10 wt.%, based on the weight of the polyol component, of (i) an aliphatic diol of formula HO-(CH2)n-OH where n = 2-18 and/or (ii) a polymer diol of formula HO-C(H,R<1>)-Ää-C(H,R<2>)-üx-O-C(H,R<3>)-Ün-äC(H,R<4>)üx-OH where R<1>-R<4> = H, or 1-10C alkyl or alkoxy; x = 1-20; and n = 1-200. Also claimed are composites of the above foams with a textile, plastics film or paper, such composites being obtained by flame-bonding. Preferably the foam is made from a filler-containing polyol optionally used together with a conventional polyetherpolyol. The added diol is a polymer diol of Mn 300-1500, especially polyethylene glycol, polyethylene glycol propoxylate, polypropylene glycol or polypropylene glycol-ethoxylate or -propoxylate.

Description

Empleo de dioles alifáticos o de polimerdioles en espumas de polieter-poliuretano elásticos para mejorar la aptitud al recubrimiento a la llama de estas espumas en bloque.Use of aliphatic diols or polymer diols in elastic polyether polyurethane foams for improve the flame coating ability of these foams in block.

La presente invención se refiere al empleo de dioles alifáticos o de poliamidas en espumas de poliéter-poliuretano para la mejora de la aptitud al recubrimiento a la llama de las espumas bloque.The present invention relates to the use of aliphatic or polyamide diols in foams of polyether polyurethane for improving fitness at Flame coating of block foams.

El revestimiento a la llama de espumas elásticas sirve generalmente para la obtención de sistemas compuestos entre espumas elásticos de poliuretano (PUR) y diferentes materiales superficiales, tales como, por ejemplo, textiles, láminas de materia sintética o papeles. En este caso se expone la espuma superficialmente a la llama. Esta zona superficial forma entonces una fusión, que se pone en contacto como película adherente con los otros materiales. La fusión se solidifica generalmente después de pocos segundos o minutos, consiguiéndose de esta manera un compuesto sólido.Flame coating of elastic foams it generally serves to obtain composite systems between Elastic polyurethane foams (PUR) and different materials surface, such as, for example, textiles, sheets of synthetic matter or papers. In this case the foam is exposed superficially to the flame. This surface area then forms a fusion, which comes into contact as an adherent film with the other materials. The fusion usually solidifies after few seconds or minutes, thus achieving a solid compound

Las espumas a base de poliésterpolioles son generalmente por naturaleza muy bien revestibles a la llama. Las espumas de éster-PUR de este tipo son, sin embargo, inferiores en una serie de propiedades, como, por ejemplo, en la apertura de poros, en su elasticidad y en su resistencia contra humedad y calor, a las espumas bloque de éter-PUR.The polyester polyol based foams are generally by nature very well flame resistant. The ester-PUR foams of this type are, however, inferior in a series of properties, as, for example, in the pore opening, in its elasticity and in its resistance against moisture and heat, to block foams ether-PUR.

Las espumas bloque de poliéter-PUR muestran frente a las espumas de poliéster una aptitud al recubrimiento a la llama insatisfactoria, ya que la fusión, que se forma en la exposición a la llama de la superficie, se solidifica tan solo después de algún tiempo, y la fuerza adherente del compuesto creado por ello es a menudo mucho más débil que en las espumas de poliéster.The foams block of polyether-PUR show against the foams of polyester an unsatisfactory flame coating ability, since the fusion, which is formed in the exposure to the flame of the surface, solidifies only after some time, and the adherent strength of the compound created by it is often a lot weaker than in polyester foams.

Para remediar a este inconveniente es habitual, obtener las espumas bloque de poliéter-PUR con adición de agentes auxiliares especiales y mejorar, por consiguiente, tanto la aptitud al recubrimiento a la llama en sí, así como la adherencia entre las espumas bloque de poliéter y los materiales de referencia.To remedy this inconvenience it is usual, get polyether-PUR block foams with addition of special auxiliary agents and improve, by consequently, both the ability to flame coating itself, as well as the adhesion between the polyether block foams and the reference materials.

Así contiene, por ejemplo, el producto comercializado por la firma Dow Chemicals de Polyurax Polyol U-15.03, que se vende bajo el nombre comercial de Dow HT303, un polimerpoliol modificado para la mejora de la aptitud al recubrimiento a la llama.Thus it contains, for example, the product marketed by the Dow Chemicals firm of Polyurax Polyol U-15.03, which is sold under the trade name of Dow HT303, a modified polymer polyol for fitness improvement to flame coating.

En el producto comercializado por la firma Bayer AG de Desmophen PU3175 se mejoró la aptitud al recubrimiento a la llama de la espuma elástico-PUR por la adición de un poliéterpoliol modificado.In the product marketed by Bayer Desmophen PU3175 AG improved the ability to coat flame of elastic foam-PUR by the addition of a modified polyether polyol.

La DE-A-42 36 767 propone la adición de espumas de éster-PUR en forma de polvo, para aumentar la aptitud al recubrimiento a la llama de espumas bloque de poliéter-PUR.DE-A-42 36 767 proposes the addition of ester-PUR foams in form of powder, to increase the ability to flame coating of polyether-PUR block foams.

Como ya explicado anteriormente, empeora la adición de espumas de éster-PUR, entre otras cosas, la resistencia contra la humedad y el calor de espumas bloque de poliéter-PUR. Tiene que tenerse además en cuenta, que la viscosidad relativamente elevada de las espumas de éster-PUR puede tener efectos negativos sobre las propiedades de elaboración de espumas bloque de poliéter-PUR.As explained above, the addition of ester-PUR foams, among other things, The resistance against moisture and heat of block foams polyether-PUR. It must also be taken into account, that the relatively high viscosity of the foams of ester-PUR may have negative effects on foam processing properties block polyether-PUR.

El objeto de la presente invención consiste, por consiguiente, en poner a disposición espumas bloque de poliéter-PUR elásticos y revestibles a la llama, que muestran una buena aptitud al recubrimiento a la llama, cuya adherencia está claramente mejorada después del recubrimiento a la llama en los substratos y que muestran además las ventajosas propiedades ampliamente conocidas de espumas bloque de poliéter-PUR.The object of the present invention consists, by consequently, in making available foams block of polyether-PUR elastic and flame-resistant, which show a good aptitude to flame coating, whose adhesion is clearly improved after coating to the called on the substrates and they also show the advantageous widely known properties of block foams polyether-PUR.

Esta tarea se resuelve por el empleo de dioles en espumas bloque de poliéter-PUR para la mejora de la aptitud al recubrimiento a la llama de las espumas bloque.This task is solved by the use of diols in polyether-PUR block foams for the improvement of aptitude to flame coating of block foams.

En el marco del procedimiento pueden emplearse todos las espumas bloque de poliéter-PUR, como se describen, por ejemplo, por el "Kunststoffhandbuch", tomo 7, "Polyurethane", particularmente en el capitulo 5.1.Under the procedure they can be used all polyether-PUR block foams, as describe, for example, by the "Kunststoffhandbuch", volume 7, "Polyurethane", particularly in chapter 5.1.

Bajo la denominación aquí empleada de "diol" tienen que entenderse preferentemente bien dioles alifáticos de la fórmula general (I)Under the denomination used here of "diol" preferably aliphatic diols of the general formula (I)

(I),HO-(CH_{2})_{n}-OH(I), HO- (CH2) n -OH

en la cual puede ser n un número entero de 2 a 18, preferentemente de 2 a 10 y particularmente de 2 a 5, así como polimerdioles de la fórmula general (II)in which n can be an integer from 2 to 18, preferably from 2 to 10 and particularly from 2 to 5, as well as polymers of the general formula (II)

(II),HO-C(H,R^{1}-)-[-\{-C(H,R^{2}-)-\}_{x}-O-C(H,R^{3}-)-]_{n}-\{C(H,R^{4})-\}_{x}- OH(II), HO-C (H, R 1 -) - [- \ {- C (H, R 2 -) - \ x -OC (H, R 3 } -) -] n - \ {C (H, R 4) - \} x - OH

en la quein the what

R^{1}, R^{2}, R^{3} y R^{4} pueden ser, respectiva- e independientemente entre sí, hidrógeno, un grupo alquilo con 1 a 10 átomos de carbono o un grupo alcoxi con 1 a 10 átomos de carbono,R1, R2, R3 and R4 can be, respectively- and independently of each other, hydrogen, a group alkyl with 1 to 10 carbon atoms or an alkoxy group with 1 to 10 carbon atoms,

x puede ser un número entero de 1 a 20, preferentemente de 2 a 10 y particularmente de 2 a 5, yx can be an integer from 1 to 20, preferably from 2 to 10 and particularly from 2 to 5, and

n puede ser un número entere de 1 a 200, preferentemente de 10 hasta 150 y particularmente de 50 hasta 100.n can be an integer from 1 to 200, preferably from 10 to 150 and particularly from 50 to 100

La denominación empleada en el marco de la presente solicitud de "peso molecular" se refiere al promedio en número del peso molecular M_{n}.The denomination used in the framework of the Present request for "molecular weight" refers to the average in number of the molecular weight M n.

Tienen que citarse de forma ejemplar como dioles alifáticos 1,2-etanodiol, 1,3-propanodiol, 1,4-butanodiol, 1,3-butanodiol, 1,3-, 1,4- y 1,6-hexanodiol y como polimerdioles dipropilenglicol, tripropilenglicol, tetrapropilenglicol, polietilenglicoles, cuyos pesos moleculares se sitúan generalmente entre 200 y 10.000, polipropilenglicoles, cuyos pesos moleculares se sitúan entre 400 y 4.000, polipropilenglicoletoxilatos y polipropilenglicolpropoxilatos, cuyos pesos moleculares se sitúan respectivamente entre 200 hasta 10.000 así como polietilenglicolpropoxilatos, cuyos pesos moleculares se sitúan también entre 200 y 10.000.They have to be cited exemplary as diols 1,2-ethanediol aliphatics, 1,3-propanediol, 1,4-butanediol, 1,3-butanediol, 1,3-, 1,4- and 1,6-hexanediol and as polymers dipropylene glycol, tripropylene glycol, tetrapropylene glycol, polyethylene glycols, whose molecular weights are generally located between 200 and 10,000, polypropylene glycols, whose molecular weights they are between 400 and 4,000, polypropylene glycoletoxylates and polypropylene glycolpropoxylates, whose molecular weights are located respectively between 200 to 10,000 as well as polyethylene glycolpropoxylates, whose molecular weights are located also between 200 and 10,000.

En el marco de la presente invención se emplean particularmente preferente polimerdioles, particularmente polipropilenglicolpropoxilatos, respectivamente con pesos moleculares entre 300 hasta 1.500, empleándose particularmente preferente los productos comercializados por la solicitante bajo el nombre comercial de Lupranol®.Within the framework of the present invention, particularly preferred polymers, particularly polypropylene glycolpropoxylates, respectively with weights molecular between 300 to 1,500, particularly being used preferred products marketed by the applicant under the trade name of Lupranol®.

En este caso tiene que tenerse también en cuenta, que en el empleo de los polimerdioles particularmente preferentes se mejoran también las propiedades físicas, por ejemplo la resistencia a la tracción, de las espumas bloque de poliéter-PUR obtenidos.In this case it must also be taken into account, that in the use of particularly preferred polymers diols physical properties also improve, for example resistance to traction, of the foams block of polyether-PUR obtained.

Aunque no está limitado particularmente el porcentaje del diol agregado, y puede seleccionarse libremente en función de la dureza deseada de las espumas bloque de poliéter-PUR, se sitúa generalmente en un 1 hasta un 10% en peso, preferentemente en un 3 hasta un 6% en peso, respectivamente referido a la totalidad del peso del componente poliol.Although not particularly limited the percentage of diol added, and can be freely selected in function of the desired hardness of the block foams polyether-PUR, is generally located in a 1 to a 10% by weight, preferably 3 to 6% by weight, respectively referred to the entire weight of the component polyol

La invención se refiere además también a los productos compuestos obtenidos mediante recubrimiento a la llama y siguiente prensado con empleo de una espuma bloque de poliéter-PUR elástico y revestible a la llama, obtenible por la adición de al menos un diol a la espuma bloque, que contienen las espumas bloque de poliéter-PUR anteriormente descritos y materiales de referencia, como, por ejemplo, textiles, vellones de papel y láminas de materia sintética y que muestran además también capas intermedias ignífugas o bien que pueden estar correspondientemente dotados por la adición de determinados aditivos. Un resumen referente a aplicaciones específicas en la industria del mueble, del automóvil y del textil ofrece el "Kunststoffhandbuch", tomo 7, "Polyurethane", capítulo 5.1.3.1 hasta 5.1.3.4.The invention also relates also to the composite products obtained by flame coating and next pressing using a foam block polyether-PUR elastic and flame resistant, obtainable by adding at least one diol to the block foam, containing polyether-PUR block foams described above and reference materials, such as, by example, textiles, paper fleeces and sheets of synthetic material and which also show fireproof intermediate layers or which may be correspondingly endowed by the addition of Certain additives A summary regarding applications specific in the furniture, automobile and textile industry offers the "Kunststoffhandbuch", volume 7, "Polyurethane", Chapter 5.1.3.1 to 5.1.3.4.

La invención se refiere además a un procedimiento para la obtención de un material compuesto como anteriormente definido, en el cual se unen superficialmente la espuma bloque de poliéter-poliuretano como matriz u la capa por encima aplicada mediante recubrimiento a la llama.The invention further relates to a process. for obtaining a composite material as before defined, in which the foam block of surface polyether polyurethane as matrix or layer by on top applied by flame coating.

La presente invención tiene que explicarse ahora con más detalle mediante algunos ejemplos de ejecución.The present invention has to be explained now. in more detail through some examples of execution.

Ejemplos Examples

Los siguientes ejemplos se llevaron a cabo con el empleo de la siguiente formulación básica para espumas bloque de poliéter-PUR:The following examples were carried out with the use of the following basic formulation for block foams polyether-PUR:

* Poliéterpoliol (Indice-OH (OHZ) = 48; Peso molecular aprox. 3.500)* Polyether polyol (Index-OH (OHZ) = 48; Molecular weight approx. 3,500) 

\hskip0,2cm
100 Partes en peso 
 \ hskip0,2cm
100 Parts by weight

* Polimerpoliol (OHZ = 28; Peso molecular aprox. 5.500)* Polymerol (OHZ = 28; molecular weight approx. 5,500) 

\hskip0,2cm
10 Partes en peso 
 \ hskip0,2cm
10 Parts by weight

* Estabilizante de silicona* Stabilizer of silicone 

\hskip0,2cm
1,00 Parte en peso 
 \ hskip0,2cm
1.00 Part by weight

* Catalizador de amina terciaria* Amine Catalyst tertiary 

\hskip0,2cm
0,35 partes en peso 
 \ hskip0,2cm
0.35 parts by weight

* Bis(dimetilaminoetiléter)* Bis (dimethylaminoethyl ether) 

\hskip0,2cm
0,05 Partes en peso 
 \ hskip0,2cm
0.05 Parts by weight

* Octoato de estaño* Octoate of tin 

\hskip0,2cm
0,13 Partes en peso 
 \ hskip0,2cm
0.13 Parts by weight

* Agua* Water 

\hskip0,2cm
4,50 Partes en peso 
 \ hskip0,2cm
4.50 Parts by weight

* Isocianato T80* Isocyanate T80 

\hskip0,2cm
Indice: 105 
 \ hskip0,2cm
Index: 105

Los componentes anteriormente citados de la formulación básica se agitaron conjuntamente con los aditivos enumerados respectivamente en la tabla 1 con un agitador (v = 1.000 revoluciones/minuto) y se espumaron a continuación en un molde de bloque abierto (400 x 400 x 40 hasta 45 mm). La densidad de la espuma se situó entre 22 y 23 kg/m^{3}.The aforementioned components of the basic formulation were stirred together with the additives listed respectively in table 1 with a stirrer (v = 1,000 revolutions / minute) and then foamed into a mold of open block (400 x 400 x 40 up to 45 mm). The density of the foam was between 22 and 23 kg / m 3.

El recubrimiento a la llama se llevó a cabo en el laboratorio de forma manual de la manera siguiente:The flame coating was carried out in the Laboratory manually as follows:

Quemador:Burner: Quemador plano (Cola de pez), anchura 5 cmBurner flat (Fishtail), width 5 cm Gas:Gas: Gas propanoGas propane Distancia entre llama y espuma:Distance between flame and foam: 4 cm4 cm Material:Material: Tricotado/Velour, cinta con una anchura de 7 cm, que estabaKnitting / Velor, tape with a width of 7 cm, which was enrollada en un rollo.rolled up in a roll

La muestra de espuma se colocó sobre una corredera resistente a la llama (chapa de aluminio) y se hizo pasar con una velocidad de aproximadamente 5 cm/s con la mano por debajo de la llama. Solo después de aproximadamente 5 cm de la exposición a la llama de la superficie de la espuma se recubrió el producto de en rollo sobre la superficie de la espuma.The foam sample was placed on a flame resistant slide (aluminum sheet) and passed with a speed of approximately 5 cm / s with the hand below of the flame Only after approximately 5 cm of exposure at the flame of the foam surface the product of in roll on the surface of the foam.

La adherencia (ensayos de exfoliación) se determinó según DIN 53 357, seleccionándose una velocidad de exfoliación de 50 mm/min.Adhesion (exfoliation tests) is determined according to DIN 53 357, selecting a speed of 50 mm / min exfoliation.

Los resultados se muestran en la siguiente tabla 1.The results are shown in the following table one.

PoliolPolyol Aditivo Additive AdherenciaAdherence TipoType Peso molecularWeight molecular Concentración [%]Concentration [%] [N][N] sinwithout - -- - - -- - 6-76-7 1,4-Butanodiol1,4-Butanediol 9090 2two 9-109-10 Receta básicaRecipe basic DipropilenglicolDipropylene glycol 135135 2two 8-98-9 TripropilenglicolTripropylene glycol 192192 2two 8-98-9 Polidiol*Polydiol * 450450 55 12 - 1412 - 14 Polidiol*Polydiol * 10701070 55 8 - 108 - 10 * Propilenglicol propoxilado (Lupranol®)* Propoxylated Propylene Glycol (Lupranol®) \hskip0,2cm Densidad de espuma: 23 kg/m^{3} Density of foam: 23 kg / m 3

Las propiedades físicas de una espuma bloque de poliéter-PUR, que se ha obtenido con empleo de Lupranol® 1200 con un peso molecular de 450, se compararon con una espuma bloque de poliéter-PUR, que se ha obtenido sin este aditivo. Los resultados, que se muestran en la tabla 2, enseñan, que por la adición de dioles se mejoran también las propiedades físicas, como la resistencia a la tracción y la dureza por retacado.The physical properties of a foam block polyether-PUR, which has been obtained with the use of Lupranol® 1200 with a molecular weight of 450, were compared with a polyether-PUR block foam, which has been obtained Without this additive. The results, which are shown in table 2, teach, that by adding diols also the physical properties, such as tensile strength and hardness by retouched.

TABLA 2TABLE 2

PoliolPolyol Aditivo Additive DensidadDensity Resistencia a laResistance to the DilataciónDilatation Dureza porHardness by TipoType Conc.[%]Conc. [%] [kg/m^{3}][kg / m 3] tracción [kPa]traction [kPa] [%][%] retacado [kPa]retouched [kPa] RecetaRecipe sinwithout sinwithout 232. 3 8585 170170 3,23.2 básicabasic Lu'nol 1200Lu'nol 1200 55 232. 3 120120 150150 3,53.5

Se llevó a cabo una comparación entre una espuma bloque de poliéter-PUR obtenido según la invención, que se obtenía con empleo de Lupranol® 1200, y una espuma bloque según el estado de la técnica, que se obtenía con un derivado de fosfito, como indicado en la tabla 3, referente a la adherencia. Se muestran los resultados en la tabla 3.A comparison was made between a foam polyether-PUR block obtained according to the invention, which was obtained using Lupranol® 1200, and a block foam according to the state of the art, which was obtained with a derivative of phosphite, as indicated in table 3, regarding adhesion. I know show the results in table 3.

TABLA 3TABLE 3

PoliolPolyol Aditivo Additive Adherencia [%]Adherence [%] ElaboraciónElaboration TipoType Con. [%]With. [%] PolidiolPolydiol 55 12-1412-14 bienall right (Lu'nol®1200)(Lu'nol®1200) Receta básicaRecipe basic Derivado de fosfitoDerived from phosphite 2two 12-1412-14 bienall right Cestón®430Cestón®430 Cestón®PTPCestón®PTP 2two 10 - 1210 - 12 insatisfactoriaunsatisfactory

Como puede verse de la anterior tabla, igualen hasta que superan las espumas bloque obtenidos según la invención referente a las propiedades de adherencia a aquellas espumas bloque obtenidos con empleo de derivados de fosfito según el estado de la técnica y muestran además ningún problema referente a la formación de compuestos tóxicos durante el recubrimiento a la llama.As can be seen from the previous table, they match until they exceed the block foams obtained according to the invention referring to the adhesion properties to those block foams obtained using phosphite derivatives according to the state of the technique and also show no problem regarding training of toxic compounds during flame coating.

Claims (11)

1. Empleo de dioles alifáticos de la fórmula general (I)1. Use of aliphatic diols of the formula general (I) (I),HO-(CH_{2})_{n}-OH(I), HO- (CH2) n -OH pudiendo ser n un número entero de 2 a 18, o de polimerdioles de la formula general (II)can be an integer from 2 to 18, or from polymers of the general formula (II) (II),HO-C(H,R^{1}-)-[-\{C(H,R^{2})\}_{x}-O-C(H,R^{3})-]_{n}-\{C(H,R^{4}-)-\}_{x}-OH (II), HO-C (H, R 1 -) - [- \ C (H, R 2) \ x -OC (H, R 3) - ] n - \ C (H, R 4 -) - \ x -OH      en la quein the what R^{1}, R^{2}, R^{3} y R^{4} pueden ser, respectiva- e independientemente entre sí, hidrógeno, un grupo alquilo con 1 a 10 átomos de carbono o un grupo alcoxi con 1 a 10 átomos de carbono,R1, R2, R3 and R4 can be, respectively- and independently of each other, hydrogen, a group alkyl with 1 to 10 carbon atoms or an alkoxy group with 1 to 10 carbon atoms, x puede ser un número entero de 1 a 20, yx can be an integer from 1 to 20, and n puede ser un número entero de 1 a 200,n can be an integer from 1 to 200, o de mezclas, constituidas por dos o más de los mismosor mixtures, consisting of two or more of the same en espumas bloque de poliéter-poliuretano para la mejora de la aptitud al recubrimiento a la llama de las espumas bloque.in block foams of polyether polyurethane for improving fitness at  Flame coating of block foams. 2. Empleo según la reivindicación 1 para la mejora de la adherencia de la espuma bloque aplicado sobre un substrato por recubrimiento a la llama sobre el substrato.2. Use according to claim 1 for the improvement of the adhesion of the foam block applied on a substrate by flame coating on the substrate. 3. Empleo según la reivindicación 2, caracterizado porque el substrato es una capa de material textil, una lámina de materia sintética o un vellón de papel.3. Use according to claim 2, characterized in that the substrate is a layer of textile material, a sheet of synthetic material or a fleece of paper. 4. Empleo según una de las reivindicaciones 1 a 3, caracterizado porque el o los dioles se agregan en una cantidad de un 1 hasta un 10% en peso, referido a la totalidad del peso del componente de poliol en la espuma bloque.4. Use according to one of claims 1 to 3, characterized in that the diols or diols are added in an amount of 1 to 10% by weight, based on the total weight of the polyol component in the block foam. 5. Empleo según una de las anteriores reivindicaciones, caracterizado porque el o los dioles son polimerdioles de la fórmula general (II), mostrando un promedio en número del peso molecular de 300 hasta 1.500.5. Use according to one of the preceding claims, characterized in that the diols or diols are polymers of the general formula (II), showing an average number of molecular weight from 300 to 1,500. 6. Empleo según una de las anteriores reivindicaciones, caracterizado porque se seleccionan el o los polimerdioles entre polietilenglicol, polietilenglicolpropoxilato, polipropilenglicol, polipropilenglicoletoxilato o polipropilenglicolpropoxilato.6. Use according to one of the preceding claims, characterized in that the polymer (s) are selected from polyethylene glycol, polyethylene glycolpropoxylate, polypropylene glycol, polypropylene glycolyloxylate or polypropylene glycolpropoxylate. 7. Empleo según una de las anteriores reivindicaciones, caracterizado porque se obtiene la espuma bloque de poliéter-poliuretano con empleo de al menos un poliol, que contiene cargas, o de una mezcla, constituida por al menos un poliol, que contiene cargas, y al menos un poliéterpoliol tradicional.7. Use according to one of the preceding claims, characterized in that the polyether-polyurethane block foam is obtained using at least one polyol, which contains fillers, or a mixture, consisting of at least one polyol, which contains fillers, and At least one traditional polyether polyol. 8. Empleo según una de las anteriores reivindicaciones para la obtención de materiales compuestos.8. Employment according to one of the above claims for obtaining composite materials. 9. Material compuesto, que contiene como matriz una espuma bloque de poliuretano-poliéter que se obtenía con empleo de uno o varios dioles de la fórmula general (I) y/o (II), y al menos una capa aplicada por encima de un material textil, de una lámina de materia sintética o de un vellón de papel.9. Composite material, which contains as matrix a polyurethane-polyether block foam that obtained using one or several diols of the general formula (I) and / or (II), and at least one layer applied above a material textile, of a synthetic material sheet or of a fleece of paper. 10. Material compuesto según la reivindicación 9, caracterizado porque se emplean el o los dioles de la fórmula general (I) y/o (II) en una cantidad de un 1 hasta un 10% en peso, referido a la totalidad en peso del componente de poliol en la espuma bloque.10. Composite material according to claim 9, characterized in that the diols or diols of the general formula (I) and / or (II) are used in an amount of 1 to 10% by weight, based on the total weight of the Polyol component in the foam block. 11. Procedimiento para la obtención de un material compuesto según la reivindicación 9 ó 10, caracterizado porque se unen la espuma bloque de poliéter-poliuretano como matriz y la capa aplicada encima mediante recubrimiento a la llama de forma superficial.11. Method for obtaining a composite material according to claim 9 or 10, characterized in that the polyether-polyurethane block foam is bonded as a matrix and the layer applied thereon by coating the flame superficially. 
         \vskip1.000000\baselineskip\ vskip1.000000 \ baselineskip
ES97110037T 1996-06-21 1997-06-19 EMPLOYMENT OF ALIFATIC DIOLES OR POLYMERDIOLS IN POLYETER-POLYURETHANELASTIC FOAMS TO IMPROVE THE FITNESS TO THE COAT OF THESE BLOCK FOAMS. Expired - Lifetime ES2210416T3 (en)

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